Drug wholesaler McKesson won a contract to supply drugs to Department of Veterans Affairs facilities, sending is shares up more than 4 percent.

European stocks declined after an auction of 3-year Italian bonds showed yields jumping to the highest level since mid-January, renewing concerns about peripheral European countries’ ability to combat spiraling public debt.

The U.S. Treasury is set to auction $13 billion of re-opened 30-year bonds. Prices on Treasurys edged lower in early trade, with the benchmark 10-year note yielding 2.04 percent.

Markets will also eye the Energy Information Administration’s weekly natural gas report with interest, after natural gas futures fall below $2 on Wednesday for the first time since January 2002.

—Follow JeeYeon Park on Twitter: @JeeYeonParkCNBC —

Coming Up This Week:

THURSDAY: Philadelphia Fed pres speaks, 30-yr bond auction, Minneapolis Fed pres speaks; Earnings from GoogleFRIDAY: CPI, consumer sentiment, Bernanke speaks; Earnings from JPMorgan, Wells Fargo

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